Article of footwear



FIG. 1 is a lateral side view of an article of footwear;

FIG. 2 is a medial side view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top perspective view from the lateral side thereof.

Short, broken lines shown in the drawings of the article of footwear illustrate the environment of the claimed design or stitching and form no part of the claimed design. 

CLAIM The ornamental design for an article of footwear, as shown and described. 